CN220741958U - Special piece mould with cooling structure - Google Patents

Abstract

The utility model discloses a special part die with a cooling structure, which comprises a base, wherein a lower die is arranged at the central position of the top of the base, an upper die is arranged at the upper position of the lower die, an injection port is arranged at the central position of the top of the upper die, a first support column is arranged at one side position of the top of the base, which is close to the lower die, the top end of the first support column is provided with a cooling liquid diversion circular tube, the top end of the cooling liquid diversion circular tube is provided with a second support column, and the top end of the second support column is provided with a cooling liquid converging circular tube. This special mould with cooling structure through the cooperation of coolant liquid reposition of redundant personnel pipe and coolant liquid flow gathering pipe, can divide into the multistrand with the coolant liquid and flow, and coolant liquid flows from bottom to top in a plurality of directions in the lower mould for the position difference in temperature of lower mould and multistrand coolant liquid contact is big, thereby improves cold and hot exchange rate, and then improves the whole cooling rate of lower mould.

Description

Special piece mould with cooling structure

Technical Field

The utility model relates to the technical field of mold cooling, in particular to a special part mold with a cooling structure.

Background

Plastic injection molding is a method of plastic products, namely, molten plastic is injected into a plastic product mold by pressure, and various plastic products are obtained after the plastic products are cooled by themselves.

The existing injection mold only has a mold cavity and an injection port leading to the mold cavity, and as long as molten plastics are injected into the mold cavity through the injection port, the automatic cooling of the molten plastics is waited, and the injection efficiency is low due to longer cooling time.

Therefore, a special part mold with a cooling structure is proposed.

Disclosure of Invention

The present utility model is directed to a special mold with a cooling structure, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special mould with cooling structure, includes the base, the top central point department of base is provided with the lower mould, the top central point department of lower mould is provided with the mould, the top central point department of going up the mould is provided with the mouth of moulding plastics, the top of base is close to one side position department of lower mould and is provided with first support column, the top of first support column is provided with coolant liquid reposition of redundant personnel pipe, the top of coolant liquid reposition of redundant personnel pipe is provided with the second support column, the top of second support column is provided with coolant liquid and gathers the flow pipe, the inside embedding of lower mould has the mould cooling pipeline, be provided with first connecting pipe between the bottom of mould cooling pipeline and the coolant liquid reposition of redundant personnel pipe, and be provided with the feed liquor pipe on one side outer wall of coolant liquid reposition of redundant personnel pipe, be provided with the drain pipe on the top central point department of lower mould has seted up the mould and has become the die cavity.

Compared with the prior art, the utility model has the beneficial effects that: this special mould with cooling structure through the cooperation of coolant liquid reposition of redundant personnel pipe and coolant liquid flow gathering pipe, can divide into the stranded flow with the coolant liquid, and coolant liquid flows from bottom to top in a plurality of directions in the lower mould for the position difference in temperature of lower mould and stranded coolant liquid contact is big, thereby improves cold and hot exchange rate, and then improves the whole cooling rate of lower mould, and can guarantee the work piece in the mould molding chamber from a plurality of directions even cooling, improves refrigerated even, and then guarantees cooling shaping quality.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front view of a coolant diverting tube in accordance with the present utility model;

FIG. 3 is a front view of a mold cooling tunnel of the present utility model;

fig. 4 is a cross-sectional view of the lower die of the present utility model.

In the figure: 1. a base; 2. a lower die; 3. an upper die; 4. an injection molding port; 5. a first support column; 6. a cooling liquid diversion circular tube; 7. a second support column; 8. a cooling liquid gathering circular tube; 9. a mold cooling duct; 10. a first connection pipe; 11. a second connection pipe; 12. a liquid inlet pipe; 13. a liquid outlet pipe; 14. and forming a cavity by the mold.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the special piece die with the cooling structure is characterized in that the cooling liquid diversion round pipe 6 and the cooling liquid gathering round pipe 8 are of tubular structures with circular cross sections, so that flowing circulation of cooling liquid is realized, the cooling liquid is diverted and gathered in multiple directions, multiple strands of cooling liquid are guided into the lower die 2, the lower die 2 is cooled sufficiently, the cooling rate of a workpiece in the die forming cavity 14 is improved, and rapid cooling is realized.

The first connecting pipe 10 and the second connecting pipe 11 are both communicated with the mold cooling pipe 9, so that the cooling liquid can flow and circulate inside the first connecting pipe 10, the second connecting pipe 11 and the mold cooling pipe 9.

The first support column 5 and the second support column 7 are all provided with four altogether, and four first support columns 5 and four second support columns 7 symmetry respectively set up at the top of base 1 and coolant liquid reposition of redundant personnel pipe 6, guarantee that coolant liquid reposition of redundant personnel pipe 6 and coolant liquid gathers the stability that the pipe 8 supported firmly.

The top of the lower die 2 is matched with the bottom of the upper die 3, so that the top of the lower die 2 is tightly attached to the upper die 3, and leakage of injection molding raw materials is avoided.

The liquid inlet pipe 12 and the first connecting pipe 10 are communicated with the cooling liquid diversion circular pipe 6, and the liquid outlet pipe 13 and the second connecting pipe 11 are communicated with the cooling liquid gathering circular pipe 8, so that cooling liquid can flow and circulate.

The top of the lower die 2 is provided with a guide hole at a position close to the outer side of the die forming cavity 14, and the limit of the moving path of the upper die 3 can be realized by matching with a guide post at the bottom of the upper die 3.

One ends of the liquid inlet pipe 12 and the liquid outlet pipe 13 are respectively connected and communicated with a liquid outlet end and a liquid inlet end of an external cooling liquid circulating mechanism, and the external cooling liquid circulating mechanism consists of a circulating pump, a radiator, a cooling liquid tank and a water pipe so as to realize circulating flow of cooling liquid.

Working principle: when the special part injection molding operation is carried out, the upper die 3 moves downwards to the top of the lower die 2, injection molding raw materials are injected into the die forming cavity 14 through the injection port 4, the injection molding raw materials are cooled and formed in the die forming cavity 14, in order to improve the cooling and forming speed, the liquid inlet pipe 12 and the liquid outlet pipe 13 are respectively connected and communicated with the liquid outlet end and the liquid inlet end of the external cooling liquid circulation mechanism, cooling liquid enters the cooling liquid diversion circular pipe 6 through the liquid inlet pipe 12, cooling liquid in the cooling liquid diversion circular pipe 6 is shunted to the plurality of first connecting pipes 10, the cooling liquid enters the die cooling pipeline 9 in the lower die 2 under the conduction of the first connecting pipes 10, cooling liquid in the die cooling pipeline 9 and the lower die 2 are subjected to cold-heat exchange, heat in the lower die 2 is transferred to the cooling liquid, the workpiece in the die forming cavity 14 is cooled and cooled, the cooling liquid containing the heat enters the cooling liquid condensation circular pipe 8 under the conduction of the second connecting pipes 11, and finally is guided to the external cooling liquid circulation mechanism through the liquid outlet pipe 13, the rapid cooling of the lower die 2 is realized, and the workpiece in the die forming cavity 14 is cooled rapidly.

To sum up: this special mould with cooling structure through the cooperation of coolant liquid reposition of redundant personnel pipe 6 and coolant liquid flow gathering pipe 8, can divide into the multistrand flow with the coolant liquid, and the coolant liquid flows from bottom to top in a plurality of directions in lower mould 2 for the position difference in temperature of lower mould 2 and multistrand coolant liquid contact is big, thereby improves cold and hot exchange rate, and then improves lower mould 2 overall cooling rate, and can guarantee the work piece in the mould molding cavity 14 from a plurality of directions even cooling, improves refrigerated uniformity, and then guarantees cooling shaping quality.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a special mould with cooling structure, includes base (1), its characterized in that: the utility model discloses a die, including base (1), lower mould (2), mould (3) are provided with in the top central authorities department of base (1), top central authorities department of lower mould (2) is provided with injection molding mouth (4), one side position department that the top of base (1) is close to lower mould (2) is provided with first support column (5), the top of first support column (5) is provided with coolant liquid reposition of redundant personnel pipe (6), the top of coolant liquid reposition of redundant personnel pipe (6) is provided with second support column (7), the top of second support column (7) is provided with coolant liquid and gathers flow pipe (8), the inside embedding of lower mould (2) has mould cooling pipeline (9), be provided with first connecting pipe (10) between the bottom of mould cooling pipeline (9) and coolant liquid reposition of redundant personnel pipe (6), and be provided with second connecting pipe (11) between the top of mould cooling pipeline (9) and coolant liquid and gather flow pipe (8), be provided with feed liquor pipe (12) on the outer wall of one side of coolant liquid reposition of redundant personnel pipe (6), the top of coolant liquid pipe (8) is provided with die cavity (14) top department, the top is offered to mould (14) is located.

2. A special part mould with cooling structure according to claim 1, characterized in that: the cooling liquid diversion circular tube (6) and the cooling liquid gathering circular tube (8) are tubular structures with circular cross sections.

3. A special part mould with cooling structure according to claim 1, characterized in that: the first connecting pipe (10) and the second connecting pipe (11) are communicated with the mold cooling pipeline (9).

4. A special part mould with cooling structure according to claim 1, characterized in that: the first support columns (5) and the second support columns (7) are all provided with four, and the four first support columns (5) and the four second support columns (7) are symmetrically arranged at the tops of the base (1) and the cooling liquid diversion circular tube (6) respectively.

5. A special part mould with cooling structure according to claim 1, characterized in that: the top of the lower die (2) is matched and matched with the bottom of the upper die (3).

6. A special part mould with cooling structure according to claim 1, characterized in that: the liquid inlet pipe (12) and the first connecting pipe (10) are both communicated with the cooling liquid diversion circular pipe (6), and the liquid outlet pipe (13) and the second connecting pipe (11) are both communicated with the cooling liquid gathering circular pipe (8).

7. A special part mould with cooling structure according to claim 1, characterized in that: and a guide hole is formed in the position, close to the outer side of the die forming cavity (14), of the top of the lower die (2).

8. A special part mould with cooling structure according to claim 1, characterized in that: one ends of the liquid inlet pipe (12) and the liquid outlet pipe (13) are respectively connected and communicated with a liquid outlet end and a liquid inlet end of an external cooling liquid circulating mechanism, and the external cooling liquid circulating mechanism consists of a circulating pump, a radiator, a cooling liquid tank and a water pipe.